# Author: Alexander Bokovoy <abokovoy@redhat.com>
#         Tomas Babej <tbabej@redhat.com>
#
# Copyright (C) 2011-2014   Red Hat
# see file 'COPYING' for use and warranty information
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.    See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

"""
Contains Fedora-specific service class implementations.
"""

from __future__ import absolute_import

import os

from ipaplatform.redhat import services as redhat_services

# Mappings from service names as FreeIPA code references to these services
# to their actual systemd service names
fedora_system_units = redhat_services.redhat_system_units.copy()

# Fedora 28 and earlier have fedora-domainname.service. Starting from
# Fedora 29, the service is called nis-domainname.service as defined in
# ipaplatform.redhat.services.
HAS_FEDORA_DOMAINNAME_SERVICE = os.path.isfile(
    "/usr/lib/systemd/system/fedora-domainname.service"
)

if HAS_FEDORA_DOMAINNAME_SERVICE:
    fedora_system_units['domainname'] = 'fedora-domainname.service'


# Service classes that implement Fedora-specific behaviour

class FedoraService(redhat_services.RedHatService):
    system_units = fedora_system_units


# Function that constructs proper Fedora-specific server classes for services
# of specified name

def fedora_service_class_factory(name, api=None):
    if HAS_FEDORA_DOMAINNAME_SERVICE and name == 'domainname':
        return FedoraService(name, api)
    return redhat_services.redhat_service_class_factory(name, api)


# Magicdict containing FedoraService instances.

class FedoraServices(redhat_services.RedHatServices):
    def service_class_factory(self, name, api=None):
        return fedora_service_class_factory(name, api)


# Objects below are expected to be exported by platform module

timedate_services = redhat_services.timedate_services
service = fedora_service_class_factory
knownservices = FedoraServices()